Beispiel #1
0
        public void OnReceive(IAsyncResult asyncResult)
        {
            try
            {
                if (udpClient.Client == null)
                {
                    return;
                }

                lock (udpClient)
                {
                    var endPoint = new IPEndPoint(IPAddress.Any, 0);

                    var bytes = udpClient.EndReceive(asyncResult, ref endPoint);

                    var message = Message.FromBytes(bytes);

                    switch (message.Type)
                    {
                    case MessageType.ChatMessage:
                        OnChatMessage(message as ChatMessage);
                        break;

                    case MessageType.Contacts:
                        OnContactsMessage(message as ContactsMessage);
                        break;

                    case MessageType.LoginAccepted:
                        OnLoginAcceptedMessage(message as LoginAcceptedMessage);
                        break;

                    case MessageType.LogoutAccepted:
                        OnLogoutAcceptedMessage(message as LogoutAcceptedMessage);
                        break;

                    default:
                        throw new ArgumentOutOfRangeException("Unknown message was received.");
                    }

                    udpClient.BeginReceive(this.OnReceive, null);
                }
            }
            catch (Exception ex)
            {
                clientView.ShowException(ex);
            }
        }